FR987840A - Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc. - Google Patents
Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc.Info
- Publication number
- FR987840A FR987840A FR987840DA FR987840A FR 987840 A FR987840 A FR 987840A FR 987840D A FR987840D A FR 987840DA FR 987840 A FR987840 A FR 987840A
- Authority
- FR
- France
- Prior art keywords
- clocks
- escape mechanism
- alarm
- magnetic escape
- horological instruments
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
- G04C5/005—Magnetic or electromagnetic means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB987840X | 1948-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR987840A true FR987840A (en) | 1951-08-20 |
Family
ID=10845409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR987840D Expired FR987840A (en) | 1948-06-10 | 1949-06-07 | Magnetic escape mechanism for horological instruments such as clocks, alarm clocks, etc. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR987840A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750730A (en) * | 1952-03-20 | 1956-06-19 | Ingraham E Co | Shock and vibration proof oscillator |
FR2132162A1 (en) * | 1971-03-30 | 1972-11-17 | Horstmann Magnetics Ltd | |
EP2887156A1 (en) * | 2013-12-23 | 2015-06-24 | The Swatch Group Research and Development Ltd. | Regulator device |
-
1949
- 1949-06-07 FR FR987840D patent/FR987840A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750730A (en) * | 1952-03-20 | 1956-06-19 | Ingraham E Co | Shock and vibration proof oscillator |
FR2132162A1 (en) * | 1971-03-30 | 1972-11-17 | Horstmann Magnetics Ltd | |
EP2887156A1 (en) * | 2013-12-23 | 2015-06-24 | The Swatch Group Research and Development Ltd. | Regulator device |
US9389591B2 (en) | 2013-12-23 | 2016-07-12 | The Swatch Group Research And Development Ltd | Regulating device |
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